Color

#36874b

#36874b
hex#36874b
rgbrgb(54, 135, 75)
hslhsl(136, 43%, 37%)
oklchoklch(0.558 0.121 149.4)
Closest name: seagreen (#2e8b57)Relative luminance 0.1862

Colors that go with #36874b

Charcoal, Royal Blue and Dark Orchid lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#873671

#498736 · #368774

#4b3687 · #874b36

Split-complementary

Open in tool →

#743687 · #873649

#364987 · #873671 · #877436

Contrast

#36874b as textRatioAAAA largeAAAFix
Aaon white
4.45:1failpassfail
  • AA: use #348349 as the text (4.68:1)
  • AAA: use #276237 as the text (7.27:1)
  • AA: or shift the background to #080808 (4.51:1)
Aaon black
4.72:1passpassfail

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #36874b as the background.

Brands using this color

mcpConnect your agent — build around #36874b
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #36874b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/36874b-a2bead-b959d4-1f2d29-ebf1e9?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md